import math


def koch(m, p1, p2):
    if m == 0:
        return

    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]]

    koch(m-1, p1, s)
    print(s[0], s[1])
    koch(m-1, s, u)
    print(u[0], u[1])
    koch(m-1, u, t)
    print(t[0], t[1])
    koch(m-1, t, p2)


n = int(input())
print(0, 0)
koch(n, [0, 0], [100, 0])
print(100, 0) import math math def koch(m, p1, p2):
    if m == 0:
        return

    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]]

    koch(m-1, p1, s)
    print(s[0], s[1])
    koch(m-1, s, u)
    print(u[0], u[1])
    koch(m-1, u, t)
    print(t[0], t[1])
    koch(m-1, t, p2) koch if m == 0:
        return

     m == 0 m 0 return s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3] s [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3] (2 * p1[0] + p2[0]) / 3 2 * p1[0] + p2[0] 2 * p1[0] 2 p1[0] p1 0 p2[0] p2 0 3 (2 * p1[1] + p2[1]) / 3 2 * p1[1] + p2[1] 2 * p1[1] 2 p1[1] p1 1 p2[1] p2 1 3 t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3] t [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3] (p1[0] + 2 * p2[0]) / 3 p1[0] + 2 * p2[0] p1[0] p1 0 2 * p2[0] 2 p2[0] p2 0 3 (p1[1] + 2 * p2[1]) / 3 p1[1] + 2 * p2[1] p1[1] p1 1 2 * p2[1] 2 p2[1] p2 1 3 u = [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]] u [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]] (t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0] (t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) (t[0] - s[0]) * math.cos(math.pi / 3) t[0] - s[0] t[0] t 0 s[0] s 0 math.cos(math.pi / 3) math.cos math cos math.pi / 3 math.pi math pi 3 (t[1] - s[1]) * math.sin(math.pi / 3) t[1] - s[1] t[1] t 1 s[1] s 1 math.sin(math.pi / 3) math.sin math sin math.pi / 3 math.pi math pi 3 s[0] s 0 (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1] (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) (t[0] - s[0]) * math.sin(math.pi / 3) t[0] - s[0] t[0] t 0 s[0] s 0 math.sin(math.pi / 3) math.sin math sin math.pi / 3 math.pi math pi 3 (t[1] - s[1]) * math.cos(math.pi / 3) t[1] - s[1] t[1] t 1 s[1] s 1 math.cos(math.pi / 3) math.cos math cos math.pi / 3 math.pi math pi 3 s[1] s 1 koch(m-1, p1, s) koch m-1 m 1 p1 s print(s[0], s[1]) print s[0] s 0 s[1] s 1 koch(m-1, s, u) koch m-1 m 1 s u print(u[0], u[1]) print u[0] u 0 u[1] u 1 koch(m-1, u, t) koch m-1 m 1 u t print(t[0], t[1]) print t[0] t 0 t[1] t 1 koch(m-1, t, p2) koch m-1 m 1 t p2 m m p1 p1 p2 p2 n = int(input()) n int(input()) int input() input print(0, 0) print 0 0 koch(n, [0, 0], [100, 0]) koch n [0, 0] 0 0 [100, 0] 100 0 print(100, 0) print 100 0 n = int(input()) int(input()) n def koch(m, p1, p2):
    if m == 0:
        return

    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]]

    koch(m-1, p1, s)
    print(s[0], s[1])
    koch(m-1, s, u)
    print(u[0], u[1])
    koch(m-1, u, t)
    print(t[0], t[1])
    koch(m-1, t, p2) def koch(m, p1, p2):
    if m == 0:
        return

    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]]

    koch(m-1, p1, s)
    print(s[0], s[1])
    koch(m-1, s, u)
    print(u[0], u[1])
    koch(m-1, u, t)
    print(t[0], t[1])
    koch(m-1, t, p2) koch
import math


def koch(m, p1, p2):
    if m == 0:
        return

    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.pi / 3) - (t[1] - s[1]) * math.sin(math.pi / 3) + s[0],
         (t[0] - s[0]) * math.sin(math.pi / 3) + (t[1] - s[1]) * math.cos(math.pi / 3) + s[1]]

    koch(m-1, p1, s)
    print(s[0], s[1])
    koch(m-1, s, u)
    print(u[0], u[1])
    koch(m-1, u, t)
    print(t[0], t[1])
    koch(m-1, t, p2)


n = int(input())
print(0, 0)
koch(n, [0, 0], [100, 0])
print(100, 0)